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

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

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

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

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