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

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

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

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

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