C312322331333132212111133133313331333133312121111331333132321132221   >>    C31232233133313221211113313331333133313331212111133133313232113222   <<    C312322331333132212111133133313331333133312121111331333132321132223   >>      C312322331333132212111133133313331333133312121111331333132321132222   >>