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

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

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

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

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