C222133313331333131123313231333133313331333132312111113331313321   >>    C22213331333133313112331323133313331333133313231211111333131332   <<    C222133313331333131123313231333133313331333132312111113331313323   >>      C222133313331333131123313231333133313331333132312111113331313322   >>