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