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

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

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

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

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