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