C312322331333132212111133133313331333133312121111331323232113221   >>    C31232233133313221211113313331333133313331212111133132323211322   <<    C312322331333132212111133133313331333133312121111331323232113223   >>      C312322331333132212111133133313331333133312121111331323232113222   >>