C312322331333132212111133133313331323133313221211113313331313231321122123131   >>    C31232233133313221211113313331333132313331322121111331333131323132112212313   <<    C312322331333132212111133133313331323133313221211113313331313231321122123133   >>      C312322331333132212111133133313331323133313221211113313331313231321122123132   >>