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

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

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

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

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