C31232233133313221211113313331333132313331322121111331321123231333131311   >>    C3123223313331322121111331333133313231333132212111133132112323133313131   <<    C31232233133313221211113313331333132313331322121111331321123231333131313   >>      C31232233133313221211113313331333132313331322121111331321123231333131312   >>