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