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

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

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

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

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