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