// 1320 Norwich Surprise Minor 6 bells 2 extents start = " @"; method = &x.34.x.14.x.12.x.36.x.34.x.16; pln = +16; bob = +14; O = repeat( method, {/?6????/: bob, "O - @", break; pln, " @"} ); I = repeat( method, {/??6???/: bob, "I - @", break; pln, " @"} ); end= repeat( method, {/?????6/: pln, " @", break; pln, " @"} ); t720 = 3(I,O,I), end; t600 = 3I, 3O, end; qp = t720, "----------", t600; prove qp;