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