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