(0 11 9 7 3)(1 19 2)(4 20 14 12 10)(5 8 6)(13 17 15)(16 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 7 15)
(0 13 17 15 3)(1 19 2)(4 20 14 12 10)(5 8 6)(7 11 9)(16 21 18)
2: (4 20 14)
(0 13 17 15 3)(1 19 2)(4 12 10)(5 8 6)(7 11 9)(14)(16 21 18)(20)
3: (0 13 17)
(0 15 3)(1 19 2)(4 12 10)(5 8 6)(7 11 9)(13)(14)(16 21 18)(17)(20)
4: (16 21 18)
(0 15 3)(1 19 2)(4 12 10)(5 8 6)(7 11 9)(13)(14)(16)(17)(18)(20)(21)