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