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