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