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