C312322331333132212111133133313331323133313331333133313331333133312111133212211   >>    C31232233133313221211113313331333132313331333133313331333133313331211113321221   <<    C312322331333132212111133133313331323133313331333133313331333133312111133212213   >>      C312322331333132212111133133313331323133313331333133313331333133312111133212212   >>