Un chat musical

Je ne suis pas certains de réussir à relever le défi des huit contraintes de Kozlika. En attendant, voici un billet qui en respecte deux :

                                  U                                               T
                                  Q  U                                       E  A
                                  N    T                                    L    A
                                  X      ISRESONAREFIBRISMIRA     G
                                  E    S                                    T    O
                                  RU                                           MF
                                  A                                               M
                                  U                                                L
                                  I           TUOR         UMSO           L
                                  V                                               E
                                  P                                               O
                                  L                                                L
                                  U           T                      I           L
                                  A             B                  I             I
                                  R                E            A               T
                                  U                      M                       S
                                  A                N            C               T
                                  E              J                 O            H
                                  A           N                      N          E
                                  S                                               U
                                  T                                               Q
                                  U                                               E
                                  A                  NTLAXI                  S
                                  R                                               E
                                  S                                               O
                                  NAREFIBRISMIRAGESTORUMFAMUL
                                      ITUORUMSOLVEPOLLUTILABII
                                        REATUMSANCTEJOHANNES

Un billet en forme de chat (comment ? ce chat n'est pas un chat ?)
Un billet comportant toutes les notes de la gamme (bon, j'ai un peu triché ; ma gamme ne part pas du sol mais de l'ut, et en plus c'est le texte de l'hymne grégorien à Saint Jean Baptiste qui a servi à dénommer les notes de notre gamme : "Ut queant laxis / Resonare fibris / Mira gestorum / Famuli tuorum / Solve polluti / Labii reatum / Sancte Johannes")