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