C312322331333132212111133133313331323133312111133133313112223311232321   >>    C31232233133313221211113313331333132313331211113313331311222331123232   <<    C312322331333132212111133133313331323133312111133133313112223311232323   >>      C312322331333132212111133133313331323133312111133133313112223311232322   >>