C3123223313331322121111331333133313231333132212111113211232322121   >>    C312322331333132212111133133313331323133313221211111321123232212   <<    C3123223313331322121111331333133313231333132212111113211232322123   >>      C3123223313331322121111331333133313231333132212111113211232322122   >>