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

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

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

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

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