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

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

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

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

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