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

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

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

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

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