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