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

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

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

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

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