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