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