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