(0 19 3)(1 21 16 15 13)(2 6 4)(5 17 12 9 7)(8 11 10)(14 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 1 3)
(0)(1 19 3 21 16 15 13)(2 6 4)(5 17 12 9 7)(8 11 10)(14 20 18)
2: (3 15 19)
(0)(1 19 13)(2 6 4)(3)(5 17 12 9 7)(8 11 10)(14 20 18)(15 21 16)
3: (14 20 18)
(0)(1 19 13)(2 6 4)(3)(5 17 12 9 7)(8 11 10)(14)(15 21 16)(18)(20)
4: (1 19 13)
(0)(1)(2 6 4)(3)(5 17 12 9 7)(8 11 10)(13)(14)(15 21 16)(18)(19)(20)