C11111333133313232233133313331333133313231312111113113313231333122321   >>    C1111133313331323223313331333133313331323131211111311331323133312232   <<    C11111333133313232233133313331333133313231312111113113313231333122323   >>      C11111333133313232233133313331333133313231312111113113313231333122322   >>