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

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

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

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

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