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

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

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

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

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