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

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

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

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

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