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