C312322331333132212111133133313331323133313221211111211113313123132332311231   >>    C31232233133313221211113313331333132313331322121111121111331312313233231123   <<    C312322331333132212111133133313331323133313221211111211113313123132332311233   >>      C312322331333132212111133133313331323133313221211111211113313123132332311232   >>