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

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

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

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

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