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