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

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

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

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

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