(0 21 2)(1 9 3)(4 20 16)(5 22 7)(6 11 8)(10 19 18 14 12)(13 17 15)
ALLOWS (11/8)-SEQUENCE
1: (1 9 17)

(0 21 2)(1 15 13 17 3)(4 20 16)(5 22 7)(6 11 8)(9)(10 19 18 14 12)
2: (4 20 16)

(0 21 2)(1 15 13 17 3)(4)(5 22 7)(6 11 8)(9)(10 19 18 14 12)(16)(20)
3: (3 13 17)

(0 21 2)(1 15 13)(3)(4)(5 22 7)(6 11 8)(9)(10 19 18 14 12)(16)(17)(20)
4: (12 18 14)

(0 21 2)(1 15 13)(3)(4)(5 22 7)(6 11 8)(9)(10 19 18)(12)(14)(16)(17)(20)