C31232233133313221211113313331333132313331323331313331313223331   >>    C3123223313331322121111331333133313231333132333131333131322333   <<    C31232233133313221211113313331333132313331323331313331313223333   >>      C31232233133313221211113313331333132313331323331313331313223332   >>