(0 20 18)(1 21 17 15 2)(3 22 19)(4 8 6)(5 12 10)(7 14 9)(11 16 13)
ALLOWS (11/8)-SEQUENCE
1: (0 16 18)

(0)(1 21 17 15 2)(3 22 19)(4 8 6)(5 12 10)(7 14 9)(11 16 20 18 13)
2: (15 21 17)

(0)(1 21 2)(3 22 19)(4 8 6)(5 12 10)(7 14 9)(11 16 20 18 13)(15)(17)
3: (3 22 19)

(0)(1 21 2)(3)(4 8 6)(5 12 10)(7 14 9)(11 16 20 18 13)(15)(17)(19)(22)
4: (13 20 18)

(0)(1 21 2)(3)(4 8 6)(5 12 10)(7 14 9)(11 16 20)(13)(15)(17)(18)(19)(22)