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