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

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

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

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

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