C1111133313331323223313331333133313233231311211331333132311312231   >>    C111113331333132322331333133313331323323131121133133313231131223   <<    C1111133313331323223313331333133313233231311211331333132311312233   >>      C1111133313331323223313331333133313233231311211331333132311312232   >>