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

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

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

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

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