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