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

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

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

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

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