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