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