C312322331333132212111133133313331323133312111133133313112223311212311   >>    C31232233133313221211113313331333132313331211113313331311222331121231   <<    C312322331333132212111133133313331323133312111133133313112223311212313   >>      C312322331333132212111133133313331323133312111133133313112223311212312   >>