C12322112223313133313223313131323132313232233131133132333132221   >>    C1232211222331313331322331313132313231323223313113313233313222   <<    C12322112223313133313223313131323132313232233131133132333132223   >>      C12322112223313133313223313131323132313232233131133132333132222   >>