C31232233133313221211113313331333132313331322121111121111131333131332321   >>    C3123223313331322121111331333133313231333132212111112111113133313133232   <<    C31232233133313221211113313331333132313331322121111121111131333131332323   >>      C31232233133313221211113313331333132313331322121111121111131333131332322   >>