C1111233133313231133133313331333133313231312111133133313113313223332231   >>    C111123313331323113313331333133313331323131211113313331311331322333223   <<    C1111233133313231133133313331333133313231312111133133313113313223332233   >>      C1111233133313231133133313331333133313231312111133133313113313223332232   >>