C3123223313331322121111331333133313231333133313331333133313133322231   >>    C312322331333132212111133133313331323133313331333133313331313332223   <<    C3123223313331322121111331333133313231333133313331333133313133322233   >>      C3123223313331322121111331333133313231333133313331333133313133322232   >>