C11111333133313232233133313331333133313231312111113113313231323211133231   >>    C1111133313331323223313331333133313331323131211111311331323132321113323   <<    C11111333133313232233133313331333133313231312111113113313231323211133233   >>      C11111333133313232233133313331333133313231312111113113313231323211133232   >>