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