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

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

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

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

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