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

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

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

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

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