C111123313121111121111331333133313231323132322331333132212323231   >>    C11112331312111112111133133313331323132313232233133313221232323   <<    C111123313121111121111331333133313231323132322331333132212323233   >>      C111123313121111121111331333133313231323132322331333132212323232   >>