C213211331333131212111133133313231333132313331322331323211332311   >>    C21321133133313121211113313331323133313231333132233132321133231   <<    C213211331333131212111133133313231333132313331322331323211332313   >>      C213211331333131212111133133313231333132313331322331323211332312   >>