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