C2222123232233131323132313232313232313231323223313231323211332221   >>    C222212323223313132313231323231323231323132322331323132321133222   <<    C2222123232233131323132313232313232313231323223313231323211332223   >>      C2222123232233131323132313232313232313231323223313231323211332222   >>