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