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