C3123223313331322121111331333133313231333132212111133133322123131   >>    C312322331333132212111133133313331323133313221211113313332212313   <<    C3123223313331322121111331333133313231333132212111133133322123133   >>      C3123223313331322121111331333133313231333132212111133133322123132   >>