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