C111123313121111121111331333132313331323132322331323233231312331   >>    C11112331312111112111133133313231333132313232233132323323131233   <<    C111123313121111121111331333132313331323132322331323233231312333   >>      C111123313121111121111331333132313331323132322331323233231312332   >>