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

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

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

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

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