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