C11112331333132311331333133313331333132312323133313331323133323131122112312331   >>    C1111233133313231133133313331333133313231232313331333132313332313112211231233   <<    C11112331333132311331333133313331333132312323133313331323133323131122112312333   >>      C11112331333132311331333133313331333132312323133313331323133323131122112312332   >>