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

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

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

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

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