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

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

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

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

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