C312322331333132212111133133313331323133313221211111211113311222213131   >>    C31232233133313221211113313331333132313331322121111121111331122221313   <<    C312322331333132212111133133313331323133313221211111211113311222213133   >>      C312322331333132212111133133313331323133313221211111211113311222213132   >>