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

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

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

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

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