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

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

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

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

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