C31232233133313221211113313331333132313331322121111331312111133132323312321   >>    C3123223313331322121111331333133313231333132212111133131211113313232331232   <<    C31232233133313221211113313331333132313331322121111331312111133132323312323   >>      C31232233133313221211113313331333132313331322121111331312111133132323312322   >>