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