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

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

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

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

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