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

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

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

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

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