C123221122233131333132233131313231323132322331323233132322233231   >>    C12322112223313133313223313131323132313232233132323313232223323   <<    C123221122233131333132233131313231323132322331323233132322233233   >>      C123221122233131333132233131313231323132322331323233132322233232   >>