C312322331333132212111133133313331323133313221211111211111233132333221   >>    C31232233133313221211113313331333132313331322121111121111123313233322   <<    C312322331333132212111133133313331323133313221211111211111233132333223   >>      C312322331333132212111133133313331323133313221211111211111233132333222   >>