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