C11111333133313232233133313331333133313231312111133131121211111131221   >>    C1111133313331323223313331333133313331323131211113313112121111113122   <<    C11111333133313232233133313331333133313231312111133131121211111131223   >>      C11111333133313232233133313331333133313231312111133131121211111131222   >>