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