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

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

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

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

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