C11111333133313232233133313331333133313332322331331121111331313122121   >>    C1111133313331323223313331333133313331333232233133112111133131312212   <<    C11111333133313232233133313331333133313332322331331121111331313122123   >>      C11111333133313232233133313331333133313332322331331121111331313122122   >>