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

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

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

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

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