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

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

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

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

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