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