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