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

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

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

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

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