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

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

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

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

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