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

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

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

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

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