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