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

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

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

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

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