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