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