C31232233133313221211113313331333132313331323331313331311212112121   >>    C3123223313331322121111331333133313231333132333131333131121211212   <<    C31232233133313221211113313331333132313331323331313331311212112123   >>      C31232233133313221211113313331333132313331323331313331311212112122   >>