C1111233133313231133133313331333133313233231133133313331311312323321   >>    C111123313331323113313331333133313331323323113313331333131131232332   <<    C1111233133313231133133313331333133313233231133133313331311312323323   >>      C1111233133313231133133313331333133313233231133133313331311312323322   >>