C132233133112121111331333133313331323132313231333133313113211322321   >>    C13223313311212111133133313331333132313231323133313331311321132232   <<    C132233133112121111331333133313331323132313231333133313113211322323   >>      C132233133112121111331333133313331323132313231333133313113211322322   >>