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

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

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

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

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