C1111233133313231133133313331333133313233231133133313331313332321   >>    C111123313331323113313331333133313331323323113313331333131333232   <<    C1111233133313231133133313331333133313233231133133313331313332323   >>      C1111233133313231133133313331333133313233231133133313331313332322   >>