C31232233133313221211113313331333132313331322121133132313112113311   >>    C3123223313331322121111331333133313231333132212113313231311211331   <<    C31232233133313221211113313331333132313331322121133132313112113313   >>      C31232233133313221211113313331333132313331322121133132313112113312   >>