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