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

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

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

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

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