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