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