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