C1313122132333132313132313232321323132313132322331323331323233231323221321   >>    C131312213233313231313231323232132313231313232233132333132323323132322132   <<    C1313122132333132313132313232321323132313132322331323331323233231323221323   >>      C1313122132333132313132313232321323132313132322331323331323233231323221322   >>