C11122123231323131323131323132322331313232313231333132313133313231331123311   >>    C1112212323132313132313132313232233131323231323133313231313331323133112331   <<    C11122123231323131323131323132322331313232313231333132313133313231331123313   >>      C11122123231323131323131323132322331313232313231333132313133313231331123312   >>