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