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