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