C31232233133313221211113313331333132313331322121133132313331311132323111   >>    C3123223313331322121111331333133313231333132212113313231333131113232311   <<    C31232233133313221211113313331333132313331322121133132313331311132323113   >>      C31232233133313221211113313331333132313331322121133132313331311132323112   >>