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