C11111333133313232233133313331333133313231333133313311211331333222332133121   >>    C1111133313331323223313331333133313331323133313331331121133133322233213312   <<    C11111333133313232233133313331333133313231333133313311211331333222332133123   >>      C11111333133313232233133313331333133313231333133313311211331333222332133122   >>