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