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