C1111233133313231133133313331333133313233231133133313331313333122321   >>    C111123313331323113313331333133313331323323113313331333131333312232   <<    C1111233133313231133133313331333133313233231133133313331313333122323   >>      C1111233133313231133133313331333133313233231133133313331313333122322   >>