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

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

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

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

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