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

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

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

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

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