C312322331333132212111133133313331323133313221211113313221313232321   >>    C31232233133313221211113313331333132313331322121111331322131323232   <<    C312322331333132212111133133313331323133313221211113313221313232323   >>      C312322331333132212111133133313331323133313221211113313221313232322   >>