C132233133112121111331333133313231333132333131211111333132311211322121   >>    C13223313311212111133133313331323133313233313121111133313231121132212   <<    C132233133112121111331333133313231333132333131211111333132311211322123   >>      C132233133112121111331333133313231333132333131211111333132311211322122   >>