C213211331333131212111133133313231333132313331322331323131112311   >>    C21321133133313121211113313331323133313231333132233132313111231   <<    C213211331333131212111133133313231333132313331322331323131112313   >>      C213211331333131212111133133313231333132313331322331323131112312   >>