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

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

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

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

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