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

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

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

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

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