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

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

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

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

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