C11111333133313232233133313331333132313331323133313331312111133133313332233321   >>    C1111133313331323223313331333133313231333132313331333131211113313331333223332   <<    C11111333133313232233133313331333132313331323133313331312111133133313332233323   >>      C11111333133313232233133313331333132313331323133313331312111133133313332233322   >>