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

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

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

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

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