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

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

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

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

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