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

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

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

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

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