C123221122233131333132233131313231323132322331323232233131231111   >>    C12322112223313133313223313131323132313232233132323223313123111   <<    C123221122233131333132233131313231323132322331323232233131231113   >>      C123221122233131333132233131313231323132322331323232233131231112   >>