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

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

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

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

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