C31232233133313221211113313331333132313331322121111111113333131   >>    C3123223313331322121111331333133313231333132212111111111333313   <<    C31232233133313221211113313331333132313331322121111111113333133   >>      C31232233133313221211113313331333132313331322121111111113333132   >>