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