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