C1111121111331311211331333133313331333133313231333133313331322211232321   >>    C111112111133131121133133313331333133313331323133313331333132221123232   <<    C1111121111331311211331333133313331333133313231333133313331322211232323   >>      C1111121111331311211331333133313331333133313231333133313331322211232322   >>