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