C3123223313331322121111331333133313231333132212111111211331313111   >>    C312322331333132212111133133313331323133313221211111121133131311   <<    C3123223313331322121111331333133313231333132212111111211331313113   >>      C3123223313331322121111331333133313231333132212111111211331313112   >>