C11111333133313232233133313331333132313231121133132313331323133313223221   >>    C1111133313331323223313331333133313231323112113313231333132313331322322   <<    C11111333133313232233133313331333132313231121133132313331323133313223223   >>      C11111333133313232233133313331333132313231121133132313331323133313223222   >>