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