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

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

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

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

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